i have a big box of many different kinds of wires (av, usb, power supplies, etc), but i don't know what most of them are and what they are used for. is there a website where i can find out what all of these wires are used for?
You really have to identify the connector to identify the cable. For example if you identify a USB connector on each end, then the cable is probably a USB to USB cable (although there are at least 3 different types of USB connector). I'm not aware of any web site, there are too many thousands of different types, with dozens of new ones every day. .
You mean cables, not wires. A cable can contain many wires.
